1. Extradural varix simulating herniated nucleus pulposis;Cohen;J Mt Sinai Hosp,1941
2. Low back pain associated with varices of the epidural vein simulating herniation of the nucleus pulposis;Epstein;Am J Res,1947
3. Lumbosacral vascular anomalies as the cause of ischialgia;Gumbel;Acta Neurochir,1969
4. Symptomatic lumbar foraminal epidural varix: case report and review of the literature;Gary;J Neurosurg,1994
5. Lumbar epidural varix as a cause of radiculopathy;Hanley;Spine,1994